Constructing a manufactured home

Manufactured homes start with a steel frame which has wheels and a hitch attached. To support the outside walls of the home outriggers are put on.
The wooden flooring is constructed and the heat ducts, plumbing lines, insulation are installed.
Accesses to plumbing are installed, carpet and other floor coverings are laid.
The furnace and hot water heater are both installed.
Walls are fastened securely to floors.
Insulation and pre-wiring are then put into place.
Cabinets are installed.
Electrical receptacles and switches are connected.
The house is plumbed.
Ceilings are secured into place with vapor barrier and insulation installed.
Roofing, siding, windows and doors are next.
A final inspection checks for flaws. If any are found, they are fixed.